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Hello there
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In this video silver how to use our position in point passes to light a 3D c
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Let's get started
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Just a copy of our ft Ed Sheeran Decameron just going to do this after the size we can
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Market quarter by everything else going
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So the real like no go ahead and make one really
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So the real light node has four inputs it looks like it only has to you but that's because you need to connect to these
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The other two
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So what we might know does
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Is it will take be normal past for Miranda
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And the position pass for under
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And it will take a series of 3D lights in 8
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We like yours
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What's take a look at this type of Colour in here
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Put normal pass
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Along with our
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Head and make a position of points just so we can see this
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Subtitled by
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B more clearly
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You'll know how to use the usual put in
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RPM
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Right Surveyors or position pass
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Head and make a 3D light I'm gonna make a point
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Write in
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Get into the middle
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Michelin
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15
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Nicely
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Let's go to the light mode and connector set
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So that's what goes straight to Blue
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That's because we need a couple more inputs here's that secret input that I talked about that would show
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Go ahead and type that into a scene camera
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And then finally this is looking for a
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What's just use a
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Please material that's a shame
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If you work in
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3D you can see all the lights
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Was going to use a straightforward diffuse shader right now
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Alright now you can see this point
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Is actually trying to Relight our scene
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Go ahead and move this around
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In 3D space
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And it's going to attempt
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To illuminate our scene
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And so this light off the bed is not very realistic
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For a few reasons the first is
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H
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Is not correct real lights have an exponential fall off
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So why use quadratic
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Your secrets really dark so we need for intensity
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Quite a bit and now we can tell very obviously we are the source of our like was previously
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You couldn't really tell us where the sun
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What's the first step to getting their stuff
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A little bit more
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And now you can see we just have this edition
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White passing
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Is scooter tour round a bit
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And the simplest way of using this is all just
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Is you put that point like then you can just go ahead
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What's this over
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You're free
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And now you've added another
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We can go ahead and move our lives around the sake of Cena and you can see it's just rewilding different parts of our
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Also this can come in handy
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But you do need to be aware of some of this one occasions because
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The biggest issue with the real right now
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Is that
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It's not casting
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Any sure
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It's just looking at the relative position pass in normal pass to the side
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What should be
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Fire lighter
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And so that's a pretty big issue
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And it's going to start looking really funny really quick because nothing is sure
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We look here in this is a little funny looking because of that lack of shade
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That's definitely something you need to eat or wear when you're using this
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Relate no
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And the other bit
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Is it going to snow
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Check this out here
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Circling behind objects and looking at the alpha's
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List some weird issues going on
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Because if we book another original here this is spartan motion work
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Confuse be normal pass
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My position
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Pass a bit
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And so when that happens want to try to do
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Is extend the edges of Oran
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How to make a colourless mirror in a
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And it has a note for doing that it's called Edge
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Click and drop the sound down here
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Make sure
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All channels for the sake of this
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Detailing here
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This will go ahead and just kind of x 10
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Out
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H
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Colours
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Beds
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Turn off three months fly we can see this
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The distance from Chatham
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Pirate Bay
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I must go ahead and take a look
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Astilla
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White working here
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Turn off
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Infinity
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So we can go ahead and then mask that
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By our original
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And now it's going to fix
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Edgy
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Fanon
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You can see
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Different Slayer
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Help you when it comes to these Edge issues that are being really weird
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But the bigger
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Issue with this really is that is not casting Shadows
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There is no interest
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Mination that's happening it's just a primary raised so
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Flight mode really should be used as a utility
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And last Resort
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You can get away with some wedding and you're seeing things like Sparks you can use it to create
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Selective mass
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If you'd like
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Portions of your
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Go ahead and change
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Colour here
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Rossi that are light
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Just
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Appropriately
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So you can use it in small doses and it will end up being ok
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As you can see here this light that is clearly right on top
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Where is lighting underneath
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Naturally doesn't me
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Tennis stamp
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You could always mask it off to the upper portion of
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And it's just another day this would be very helpful
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Last week that we complete it then we can
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And the top right that was feeling
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Takeaway is that a real right now it should be you
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As
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Utility not a broad scale
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Read light
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Because you're only going to
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Issues
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And there's a few different types of lights that you can use with this a spot
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Let's go ahead and just
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Copy the position
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Point light here to a spotlight
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Go-Ahead scooter
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Overstone maybe what's the simply space it is all
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Now
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Outstanding
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4 spotlight is looking back currently
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Make it sore spot
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Nissan X -90 degrees
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That should be looking straight down if you
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Can Siri have a look
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I'm talking in again it can be helpful
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We can soften
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If you need to
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Surround and light effect
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We can also add different shades to the stairs specular shader
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We can add
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No tried it out I will be love scene
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To our material if we go ahead and don't look straight down you can see that
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Shine coming through
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And you can use
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Basic material which is a combination of
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Approximation
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Of white the reaction would be
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If you have a texture object you could type in this maths
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It doesn't work because we don't have
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You could get that anyways this is more so from when you're at texting real 3D
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So you can only roughly approximate
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The colour of what you
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Material is here
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And so like I said I use this mostly as a utility pass
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In order to isolate certain element
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It's good to know that it exists and you can use this if you
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What's go ahead and look into actually using this as a mask to help us out with our reflections in our next video
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